Designation B581 − 17 Standard Specification for Nickel Chromium Iron Molybdenum Copper Alloy Rod1 This standard is issued under the fixed designation B581; the number immediately following the design[.]
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee Designation: B581 − 17 Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod1 This standard is issued under the fixed designation B581; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A superscript epsilon (´) indicates an editorial change since the last revision or reapproval Referenced Documents Scope* 2.1 ASTM Standards:4 B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys E8 Test Methods for Tension Testing of Metallic Materials E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition E1473 Test Methods for Chemical Analysis of Nickel, Cobalt and High-Temperature Alloys 1.1 This specification2 covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975, N06985, N06030, N08031, and N08034)3 as shown in Tables 1-3, for use in general corrosive service 1.2 The following products are covered under this specification: 1.2.1 Rods 5⁄16 to 3⁄4 in (7.94 to 19.05 mm) excl in diameter, hot- or cold-finished, solution annealed and pickled or mechanically descaled 1.2.2 Rods 3⁄4 to 31⁄2 in (19.05 to 88.9 mm) incl in diameter, hot- or cold-finished, solution annealed, ground or turned Terminology 3.1 Definitions of Terms Specific to This Standard: 3.1.1 rod, n—material of round solid section furnished in straight lengths 1.3 The values stated in inch-pound units are to be regarded as standard The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard Ordering Information 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health and environmental practices, and determine the applicability of regulatory limitations prior to use 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee 4.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this specification Examples of such requirements include, but are not limited to the following: 4.1.1 Alloy—Table 4.1.2 Dimensions—Nominal diameter and length The shortest useable multiple length shall be specified (Table 4) 4.1.3 Certification—State if certification or a report of test results is required (Section 16) 4.1.4 Purchaser Inspection—State which tests or inspections are to be witnessed (Section 14) 4.1.5 Samples for Product (Check) Analysis—State whether samples shall be furnished (10.2.2) Chemical Composition 5.1 Heat Analysis—The material shall conform to the composition limits specified in Table 1 This specification is under the jurisdiction of ASTM Committee B02 on Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee B02.07 on Refined Nickel and Cobalt and Their Alloys Current edition approved July 1, 2017 Published August 2017 Originally approved in 1973 Last previous edition approved in 2013 as B581 – 02 (2013)ɛ1 DOI: 10.1520/B0581-17 For ASME Boiler and Pressure Vessel Code applications see related Specification SB-581 in Section II of that Code New designation established in accordance with ASTM E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS) 5.2 Product (Check) Analysis—If a product (check) analysis is made by the purchaser, the material shall conform to the For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website *A Summary of Changes section appears at the end of this standard Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 United States B581 − 17 TABLE Chemical Requirements Composition Limits, % A Element Alloy N06007 Alloy N06975 Alloy N06985 Alloy N06030 Alloy N08031 Alloy N08034 Nickel Chromium Iron Molybdenum Copper Manganese Cobalt, max Carbon, max Tungsten Silicon, max Phosphorus, max Sulfur, max Columbium + tantalum Titanium Nitrogen Aluminum remainderA 21.0–23.5 18.0–21.0 5.5–7.5 1.5–2.5 1.0–2.0 2.5 0.05 1.0 max 1.0 0.04 0.03 1.75–2.50 0.15-0.25 47.0–52.0 23.0–26.0 remainderA 5.0–7.0 0.70–1.20 1.0 max 0.03 1.0 0.03 0.03 0.7–1.5 remainderA 21.0–23.5 18.0–21.0 6.0–8.0 1.5–2.5 1.0 max 5.0 max 0.015 max 1.5 max 1.0 max 0.04 max 0.03 max 0.50 max remainderA 28.0–31.5 13.0–17.0 4.0–6.0 1.0–2.4 1.5 max 5.0 max 0.03 max 1.5–4.0 0.8 max 0.04 max 0.02 max 0.30–1.50 30.0-32.0 26.0-28.0 remainderA 6.0-7.0 1.0-1.4 2.0 max 0.015 0.3 0.020 0.010 33.5-35.0 26.0-27.0 remainderA 6.0-7.0 0.5-1.5 1.0-4.0 0.01 0.1 0.020 0.010 0.10-0.25 0.3 See 13.1.1 TABLE Mechanical Property Requirements Alloy Specified Diameter, in (mm) N06007 5⁄16 to 3⁄4 (7.94 to 19.05), incl Over 3⁄4 to 31⁄2 (19.05 to 88.9), incl 5⁄16 to 31⁄2 (7.94 to 88.9), incl 5⁄16 to 3⁄4 (7.9 to 19.05), incl Over 3⁄4 to 31⁄2 (19.05 to 88.9), incl All sizes All sizes N06975 N06985 N06030 N08031 N08034 A Tensile Strength min, psi (MPa) 90 85 85 90 85 85 94 94 000 (621) 000 (586) 000 (586) 000 (621) 000 (586) 000 (586) 000 (648) 000 (650) Yield Strength (0.2 % Offset), min, psi (MPa) 35 30 32 35 30 35 40 40 000 (241) 000 (207) 000 (221) 000 (241) 000 (207) 000 (241) 000 (276) 000 (280) Elongation in in or 50.8 mm or 4D A 35 30 40 45 35 30 40 40 D refers to the diameter of the tension specimen TABLE Permissible Variations in Diameter and Out-of-Roundness of Rods Permissible Variations, in (mm) Specified Diameter, in (mm) Diameter ⁄ to 7⁄16 (7.94 to 11.11), incl Over 7⁄16 to 5⁄8 (11.11 to 15.87), incl Over 5⁄8 to 3⁄4 (15.87 to 19.05), excl + − Hot-Finished, Annealed, and Descaled Rods 0.012 (0.305) 0.012 (0.305) 0.014 (0.355) 0.014 (0.355) 0.016 (0.406) 0.016 (0.406) Hot-Finished, Annealed, and Ground or Turned Rods 0.010 (0.254) 16 ⁄ to 31⁄2 (19.05 to 88.9), incl 34 Out-of-Roundness, max 0.018 (0.457) 0.020 (0.508) 0.024 (0.610) 0.008 (0.203) TABLE Permissible Variations in Length of Rods requirements specified in Table subject to the permissible tolerances in Specification B880 Random mill lengths Mechanical and Other Requirements Multiple lengths 6.1 The material shall conform to the requirements of Table Straightness 7.1 The maximum curvature (depth of cord) shall not exceed 0.050 in multiplied by the length in feet (0.04 mm multiplied by the length in centimetres) Nominal lengths Cut lengths Permissible Variations in Dimensions 8.1 Diameter—The permissible variations from the specified diameter and out-of-roundness shall be as prescribed in Table 2 to 12 ft (61 to 366 cm) long with not more than 25 weight % under ft (122 cm) Furnished in multiples of a specified unit length, within the length limits indicated above For each multiple, an allowance of 1⁄4 in (6.35 mm) will be made for cutting, unless otherwise specified At the manufacturer’s option, individual specified unit lengths may be furnished Specified nominal lengths having a range of not less than ft (61 cm) with no short lengths allowed A specified length to which all rods will be cut with a permissible variation of + 1⁄8 in (3.17 mm), − B581 − 17 12 Specimen Preparation 8.2 Machining Allowances—When the surfaces of finished material are to be machined, the following allowances are suggested for normal machining operations: 8.2.1 As-Finished Rounds (Annealed and Descaled)—For diameters of 5⁄16 to 11⁄16 in (7.94 to 17.46 mm) incl, an allowance of 1⁄16 in (1.59 mm) on the diameter should be made for finish machining 12.1 Tension test specimens shall be taken from material after final heat treatment and tested in the direction of fabrication 12.2 Tension test specimens shall be any of the standard or subsized specimens shown in Test Methods E8 12.3 In the event of disagreement, the referee specimen shall be the largest possible round specimen shown in Test Methods E8 8.3 Length—The permissible variations in length of finished rods shall be as prescribed in Table Unless otherwise specified, random mill lengths shall be furnished Rods ordered to random or nominal lengths shall be furnished with either cropped or saw-cut ends; material ordered to cut lengths shall be furnished with square saw-cut or machined ends Where rods are ordered in multiple lengths, a 1⁄4-in (6.35-mm) length addition shall be allowed for each uncut multiple length 13 Test Methods and Chemical Analysis 13.1 The chemical composition and mechanical properties of the material as enumerated in this specification shall be determined, in case of disagreement, in accordance with the following ASTM methods: 13.1.1 Chemical Analysis—Test Methods E1473 For elements not covered by Test Methods E1473, the referee method shall be as agreed upon between the manufacturer and purchaser The composition of the remainder element shall be determined arithmetically by difference 13.1.2 Tension Test—Test Methods E8 13.1.3 Method of Sampling—Practice E55 13.1.4 Determining Significant Places—Practice E29 8.4 Weight—For calculation of mass or weight, the following densities shall be used: Density Alloy N06007 N06975 N06985 N06030 N08031 N08034 lb/in.3 0.300 0.295 0.300 0.297 0.293 0.293 g/cm3 8.31 8.17 8.31 8.22 8.10 8.10 13.2 For purposes of determining compliance with the limits in this specification, an observed value or a calculated value shall be rounded in accordance with the rounding method of Practice E29: Workmanship, Finish, and Appearance 9.1 The material shall be uniform in quality and condition, smooth, commercially straight, and free of injurious imperfections 10 Sampling 10.1 Lots for Chemical Analysis and Mechanical Testing: 10.1.1 A lot for chemical analysis shall consist of one heat 10.1.2 A lot of rod for mechanical testing shall be defined as the material from one heat in the same condition and specified thickness Requirements Rounded Unit for Observed or Calculated Value Chemical composition and tolerances Tensile strength and yield strength Elongation nearest unit in the last right-hand place of figures of the specified limit nearest 1000 psi (7 MPa) nearest % 14 Inspection 14.1 Inspection of the material shall be made as agreed upon by the manufacturer and the purchaser as part of the purchase contract 10.2 Sampling for Chemical Analysis: 10.2.1 A representative sample shall be obtained from each lot during pouring or subsequent processing 10.2.2 Product (check) analysis shall be wholly the responsibility of the purchaser and shall conform to the product (check) analysis variations per Specification B880 15 Rejection and Rehearing 15.1 Material that fails to conform to the requirements of this specification may be rejected Rejection should be reported to the producer or supplier promptly and in writing In case of dissatisfaction with the results of the test, the producer or supplier may make claim for a rehearing 10.3 Sampling for Mechanical Testing: 10.3.1 A representative sample shall be taken from each lot of finished material 16 Certification 16.1 When specified in the purchase order or contract, a manufacturer’s certification shall be furnished to the purchaser stating that material has been manufactured, tested, and inspected in accordance with this specification, and that the test results on representative samples meet specification requirements When specified in the purchase order or contract, a report of the test results shall be furnished 11 Number of Tests and Retests 11.1 Chemical Analysis—One test per lot 11.2 Tension Tests—One test per lot 11.3 Retests—If the specimen used in the mechanical test of any lot fails to meet the specified requirements, two additional specimens shall be taken from different sample pieces and tested The results of the tests on both of these specimens shall meet the specified requirements 17 Product Marking 17.1 Each piece of material 1⁄2 in (12.7 mm) and over in diameter shall be marked with this specification number, name of the material, and size of the product B581 − 17 17.2 Each bundle or shipping container shall be marked with the name of the material; this specification number; alloy; the size; gross, tare and net weight; consignor and consignee address; contract or other number; or such other information as may be defined in the contract or order 18 Keywords 18.1 rod; N06007; N06975; N06985; N06030; N08031; N08034 APPENDIX (Nonmandatory Information) X1 HEAT TREATMENT X1.1 Proper heat treatment during or subsequent to fabrication is necessary for optimum performance and the manufacturer shall be consulted for details SUMMARY OF CHANGES Committee B04 has identified the location of selected changes to this standard since the last issue (B851-02(2013)ɛ1) that may impact the use of this standard (Approved July 1, 2017.) (1) Added new alloy UNS N08034 to scope (Section 1.) (2) Added chemistry data for UNS N08034 to Table (3) Added Mechanical property data to Table for UNS N08034 (4) Added density data for UNS N08034 in section 8.4 (5) Added UNS N08034 in Keywords in Section 18 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm.org (e-mail); or through the ASTM website (www.astm.org) Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http://www.copyright.com/